/*
 * Copyright (c) 2023. The BifroMQ Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *    http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and limitations under the License.
 */

package com.baidu.bifromq.baserpc.loadbalancer;

import com.baidu.bifromq.baserpc.BluePrint;
import io.grpc.LoadBalancer;
import io.grpc.LoadBalancerProvider;
import lombok.AllArgsConstructor;

@AllArgsConstructor
public class TrafficDirectiveLoadBalancerProvider extends LoadBalancerProvider {
    private final BluePrint bluePrint;
    private final IUpdateListener updateListener;

    @Override
    public boolean isAvailable() {
        return true;
    }

    @Override
    public int getPriority() {
        return 6;
    }

    @Override
    public String getPolicyName() {
        return bluePrint.serviceDescriptor().getName() + hashCode();
    }

    @Override
    public LoadBalancer newLoadBalancer(LoadBalancer.Helper helper) {
        return new TrafficDirectiveLoadBalancer(helper, bluePrint, updateListener);
    }
}
